The winding of grape vine tendrils around a trellis support is an example of     Negative phototropism     Positive thigmotropism     thigmonasty     Negative gravitropism     A circadian rhythm

Q: Which of the following is false about the phytochrome protein?a. There are two convertible forms.b.…

A: Phytochrome is a growth hormone which regulates the growth, metabolism of the plant. It senses the…

Q: Close the box, tape it, and place it in a sunny window. In about 4 or 5 days open the box and notice…

A: Plant research enhances our cognitive lives and expands our understanding of other living systems.…

Q: tomatal opening is induced by… Select one: a. high CO2 levels in the leaf. b. abscisic acid…

A: The stomatal opening is induced by the striking of blue light on the stomatal pore. The photons…

Q: During secondary growth of a plant,  ____ gives rise to wood and ____ gives rise to periderm.

A: Secondary growth in plants  Secondary growth is the growth where plant thickness is increase due to…

Q: Stomata are openings on plants that allow for gas exchange.   True   False

A: Stomata are the minute openings present on the surface of the leaves. They are surrounded by two…

Q: Which type of plant tropism is mismatched with its stimulus?a. Gravitropism: gravityb.…

A: Introduction: Tropism can be defined as the movement or turning of the complete body or a part of it…

Q: Positive thigmotropism is a response in plants in which they move and grow toward an object the…

A: Thigmotropism can be defined as a response to touch;It is basically a curvature movement in which a…

Q: Root cells exhibit positive gravitropism with the help ofa. auxin in the root cells.b. amyloplasts…

A: When the effect of gravity influences the direction of growth of a plant, it is called gravitropism.…

Q: On a hot, dry day a plant closes its stomata thereby conserving water. Which plant hormone is…

A: Stomata are tiny openings on the surfaces of plant leaves and stems. They play an important role in…

Q: The WER gene is involved in producing what plant structures? root hairs xylem…

A: It is restricted to roots and hypocotyl . Specifically expressed in root non-hair developing cells…

Q: Which of the following statements is TRUE concerning CAM plants? They close their stomata during the…

A: CAM stands for Crassulacean acid metabolism. It is found in the minimum water availablity…

Q: which is true regarding how auxin impacts bending of plants?     auxin increases reversible…

A: Auxin is the plant hormone having several impacts on plants.

Q: a) Describe the plant’s response to the presence of light.  (refer to picture)

A: Auxin is a plant hormone. It is chemically indole acetic acid (IAA), which is a weak organic acid

Q: Match the response with its main trigger. ___ phototropism                a. contact with an object…

A: phototropism - blue light gravitropism - gravity thigmotropism - contact with an object

Q: abscisic acid auxins ethylene gibberellins cytokinins found in developing leaves and seeds induces…

A: Introduction Hormones are chemical messengers that help the cell's many parts work together. These…

Q: . Charles and Francis Darwin discovered that(A) auxin is responsible for phototropic curvature.(B)…

A: Coleoptile refers to a leaf-shaped structure or a sheath that protects the tip of the young shoot.…

Q: Which of the following statements about phototropism is/are not true? A. Red light is the most…

A: Phototropism is the growth of the plants or cell elongation towards the blue light in response to…

Q: 1. Some plants grow mostly upward and no side branches. This condition is known as A. Apical…

A: Phytohormones or plant hormones are specific chemical molecules that are released from specific…

Q: Grass plants elevate their leaves to compete for light without exposing their shoot apical meristems…

A: 1. growing their leaves from persistent Meristematic zones at the leaf base.

Q: It was observed during the early 20th century that the abscission zone of leaves of tree growing…

A: Solution Weakening of abscission zone was caused by ethylene ( gaseous plant growth regulator).…

Q: On a commercial scale, enhancing the level of _______ (hormone) can help to speed up fruit ripening.…

A: A phytohormone is an organic compound of plant origin, produced naturally in minute amount…

Q: Define photoperiodism and in a few sentences describe its significance to plants. Then, state…

A: Photoperiodism is the ability of plants and animals to measure environmental day length…

Q: A team of researchers investigated the effects of phosphorous availability and light intensity on an…

A: Introduction: Angiosperms are also called as flowering plants. They are seed-bearing or fruit…

Q: The oat coleoptiles of the seedlings above have been modified: either cut or placed in a…

A: The given example of 4 saplings of oat coleoptiles which have been either cut or placed in a…

Q: This plant hormone controls apical dominance (primary meristem suppresses the growth of axillary…

A: Note: Since you have asked multiple question, we will solve first question for you. To get remaining…

Q: Plant life cycle(s) include Select the correct response: the diplontic cycle only. haplontic,…

A: 1-option second is correct answer .....haplotic; diplotic and alternation  of generations cycle..…

Q: A group of students have carried out an experiment to investigate the relationship between the…

A: Introduction :- Plant hormones plays important role in growth and differentiation of  cultured cells…

Q: Which of the following statements is incorrect? a. Stomata open when K ions move out of guard…

A: Stomata consist of a pore and two surrounding guard cells. This unit is also known as the stomatal…

Q: Can you answer all the parts to this question please  In shoot apical meristems, the peripheral…

A: Asper guideline the answer is given below. Please repost the rest of the 2 questions.

Q: What is the phenomenon wherein the plant grows toward the unidirectional light?   Photoperiodism…

A: Phototropism is correct answer. The phenomenon wherein the plant grows toward the unidirectional…

Q: lant cells communicate in a variety of ways to elicit cellular responses. In the figure below the…

A: Auxin is a plant hormone which is responsible for the cell growth.Auxins are a class of plant…

Q: clearly type the answers to all the parts to this question please  In shoot apical meristems, the…

A: Hi! Since you have posted more than one question, we will be answering the first part of it for you.…

Q: Match the following using the choices. Note: Select the right choice by clicking the arrow and…

A: Introduction Plant hormones, also known as plant growth regulators are chemical substances that in…

Q: Which of the following plant hormones is produced in the root meristems, travel upward and in higher…

A: The plant hormones is produced in the root meristems, travel upward and in higher concentration…

Q: Shoot apical meristem gives rises to the three primary meristems: the precursor of the epidermis;…

A: The shoot is defined as the production center for a plant. It is thus, the organ system that will…

Q: A student accidentally knocks over a potted plant. After several weeks, they notice the roots…

A: Plants are organisms with eukaryotic cells having cell walls and are capable of synthesizing their…

Q: Which of the following statements is false?a. Auxin and gibberellin promote stem elongation.b.…

A: Introduction :- Abscisic acid (ABA) is a major hormone involved in tuning responses to a variety of…

Q: hytochrome, plays an important role in flowering in many plants.  It can also be used to determine…

A: Phytochrome  Phytochrome is a type of photoreceptor which is present in the plants, bacteria, and…

Q: Plant growth...     hormones only have very specific, limited functions     is centrally…

A: Plant hormones are organic molecules that are produced in the plants which control plant growth and…

Q: A seedling germinating under a stone grows at an angle away from the stone and upward. This response…

A: Plant developments can be characterized as the progressions in the spatial direction or adaptation…

Q: Predict whether flowering in a short day plant with a minimum critical length of 14 hours would be…

A: A short day plant is a plant that needs long duration of darkness. Short day plants are also known…

Q: Which structure is involved in the transport of gibberlins through out the plant? A. Cork cambium B.…

A: Structure involved in transportation of Gibberelins through out the plant.

Q: EUE OR FALSE 1. Cuticle is a protective layer secreted outside the epidermis, the outermost layer of…

A: Tissue can be defined as the structure which is formed by the group of cells having similar function…

Plant sensory system

The plant sensory system is a sophisticated system that responds to environmental stimuli such as light,temperature, gravity, and touch. Research predicts that plant hormones and signaling mechanisms areresponsible for this regulation system in plants.